Screw driver head



FIG. 1 is a perspective view of a screw driver head showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top view thereof, the bottom view being a mirror image; and,

FIG. 6 is a cross-sectional view taken along section line 6-6 of FIG. 2.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a screw driver head, as shown and described. 